Popular questions

Question
How to I lock the tailgate?
The tailgate can be locked and unlocked. Locking the tailgate will keep your belongings safe. To lock the tailgate. Take the key to your vehicle and insert it into the tailgate lock. Turn the key to the right to...
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Wheel keeps humming, I think it's a wheel bearing
Hi, thanks for writing in. I believe you're on the right track. Wheel bearing failures are common on many GM vehicles particularly their trucks and SUVs. I would recommend having your wheel bearings inspected with a mechanic's stethoscope to determine...
Question
How do I get the monitors on my car ready for SMOG test?
Hi there. Take a scanner and check the computer (ECM) for any codes that could be pending. Check to see what the codes are and correct the code by performing the repair on the area that is not working or...
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Need to replace the leak detection pump on my jeep.
Billing question sent to CS for the cost of replacing the leak detection pump on a 2005 jeep liberty.
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Its misfiring on cyl 5 and has a code for an o2 sensor.
Diagnostic Trouble Code P0305 means that Cylinder No. 5 is misfiring but the causes of that can be very varied. Check the plug, secondary wire, and distributor cap. The fuel injector to the cylinder could simply be faulty or there...
Question
How do you change the language on the message center?
Your car is automatically set to display information in English in the message center. However, if English isn’t your preferred language, you can change it to another option. Here’s how to do that: Cycle through your options until you...
Question
Car keeps smoking
If oil is leaking from the turbo seals into the intake, then it may be time to replace the turbo. You could also have an internal engine problem with the cylinders, or piston rings. I recommend having a certified mechanic,...
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How do I manually shift between rear-wheel drive high range (2H) and four-wheel drive high range (4H)?
You can shift between rear-wheel drive high range (2H) and four-wheel drive high range (4H) while you are driving your car. Here’s how. Make sure your vehicle is not exceeding 55 mph. Shift the transfer case shifter from 2H...
Question
What does the AdvanceTrac® Off Light mean on the dash?
While your car’s traction control system is designed to stay on at all times, there may actually be times that you need to turn it off. For instance, turning off the AdvanceTrac® system when you are stuck in mud or...
Question
Car idling roughly
It sounds like you are experiencing an engine misfire. In your vehicle this is usually a problem with the ignition system which may require a tune up. This would include replacing the spark plugs and ignition wires. It is also...
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Air conditioner blows hot air. 1995 Mercedes-Benz E300
Hi there, thanks for writing in about your 1995 Mercedes-Benz E550. This could be a variety of issues, such as no pressure or low refrigerant levels, a bad compressor clutch, or a compressor not engaging correctly. Check to see if the...
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power steering not working
You probably know this already, but I must mention that driving with the faulty power steering is very dangerous. This is definitely not an issue that can wait. The trouble could be in the power steering pump, belt/tensioner, or steering...
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Rpms go up but the car wouldnt accelerate the way it should. Eventually after about a month the car would onlyago about 5 mph in
This may be a variety of possible things that could cause this to happen. If this is a fuel issue, it may be related to a throttle position sensor going bad. The throttle position sensor (TPS) is a sensor used...
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Is it normal for a 127k mileage car to consume 1 qt of oil every 3k miles?
That is excessive oil consumption. But at that rate, it might be something you can live with. Turbocharged engines will tend to use more oil than conventional engines. But there are a few things you want to look out for....
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ac clutch
Yes. The A/C system will not let the clutch engage unless there is enough pressure in the system to engage the cycling pressure switch. If you want to have this looked at, a certified technician, such as one from YourMechanic...
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Good evening I have a 2011 bmw 335d, I just got the oil changed and now my service engine light is on. The car runs and drives gre
There are hundreds of different diagnostic trouble codes than could potentially cause the check engine light to illuminate. Sometimes the issue is as simple as an EVAP system malfunction such as a loose or defective gas cap. If you request...
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Why do my car shut off when I stop
The first and easiest thing to do is to check for air leaks. Any air that gets into the engine without going through the air mass meter will lean out the fuel mixture and affect the idle. Inspect the rubber...
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car will not start
If you are sure that fuel is not flowing through the fuel filter that means that the fuel pump is not powered or is not functioning. When you turn the key to the "on" position, you should hear the in...
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Transmission acting up after tune-up.
The first step is to check the transmission fluid. This is done with the engine running at operating temperature. If the transmission fluid level is OK, there is an internal problem with you transmission. I suggest having your Jeep inspected...
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Electrical problems with my car. The power windows, mirrors, infotainment, and the driver seat all aren't working.
Hi there. Since all of the items are located in the cabin area of the vehicle, look for a loose or broken ground wire from the cab to the frame or fuse box. There could be a pinched wire in...
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What does the air bag Light mean on the dash?
Your car has a number of air bags throughout the cabin designed to work with the seat belts to provide better safety for you and your passengers. The air bag Light in the dash is a readiness indicator. It should...
Question
My car is showing two trouble codes: P1639 and PO452
Hello. The diagnostic codes you are receiving may be a result of both sensors failing, or a power supply issue. The code P1639 stands for an A/C refrigerant pressure sensor voltage shortage. The second code P0452 stands for the fuel...
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Steering noise, brake failure, dash lights on - 2004 Cadillac XLR
GM issued several service bulletins which appear to deal with this scenario (TSB Service Bulletin Number: 10342498 &10574399 ). Check with your Cadillac dealer.
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1977 Mercedes-Benz 240D cranking, but not starting
Hi there. Either one or multiple glow plugs maybe malfunctioning. Also there maybe a fuel delivery probably as well. If there is not enough fuel ores in your system, then your vehicle will not start. This diagnoses needs to be...
Question
Hi. there is oil in my coolant of a 1995 280C Mercedes? How bad is the news?
Oil and coolant travel through separate passageways in the head and block. Wherever there is a potential cross-over, such as at the cylinder head gasket, or through a crack in the block or head, you can get mixing of the...